Dec 19 22:07:29.734 INFO checking RobertZ2011/spectralgenesis against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:07:29.734 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/RobertZ2011/spectralgenesis:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:07:30.097 INFO [stdout] a2750969550a9003d7cd686b5d364490deae317665e5a47b11560bc16a86ba38
Dec 19 22:07:30.100 INFO running `"docker" "start" "-a" "a2750969550a9003d7cd686b5d364490deae317665e5a47b11560bc16a86ba38"`
Dec 19 22:07:32.039 INFO [stderr]     Checking slice-deque v0.1.13
Dec 19 22:07:32.051 INFO [stderr]     Checking clap v2.27.1
Dec 19 22:07:32.061 INFO [stderr]     Checking image v0.19.0
Dec 19 22:07:34.481 INFO [stderr]     Checking minimp3 v0.3.0
Dec 19 22:07:42.432 INFO [stderr]     Checking spectralgenesis v0.1.0 (/opt/crater/workdir)
Dec 19 22:07:43.784 INFO [stderr] warning: unused variable: `rest`
Dec 19 22:07:43.784 INFO [stderr]   --> src/process.rs:15:20
Dec 19 22:07:43.784 INFO [stderr]    |
Dec 19 22:07:43.784 INFO [stderr] 15 |     let (mut data, rest) = get_samples(required_samples, 0, decoder);
Dec 19 22:07:43.784 INFO [stderr]    |                    ^^^^ help: consider using `_rest` instead
Dec 19 22:07:43.784 INFO [stderr]    |
Dec 19 22:07:43.784 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:07:43.784 INFO [stderr] 
Dec 19 22:07:43.784 INFO [stderr] warning: unused variable: `verbose`
Dec 19 22:07:43.784 INFO [stderr]   --> src/process.rs:13:110
Dec 19 22:07:43.784 INFO [stderr]    |
Dec 19 22:07:43.784 INFO [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
Dec 19 22:07:43.784 INFO [stderr]    |                                                                                                              ^^^^^^^ help: consider using `_verbose` instead
Dec 19 22:07:43.784 INFO [stderr] 
Dec 19 22:07:43.784 INFO [stderr] warning: unused variable: `strict`
Dec 19 22:07:43.784 INFO [stderr]   --> src/process.rs:13:125
Dec 19 22:07:43.784 INFO [stderr]    |
Dec 19 22:07:43.784 INFO [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
Dec 19 22:07:43.784 INFO [stderr]    |                                                                                                                             ^^^^^^ help: consider using `_strict` instead
Dec 19 22:07:43.784 INFO [stderr] 
Dec 19 22:07:43.784 INFO [stderr] warning: unused variable: `path`
Dec 19 22:07:43.785 INFO [stderr]   --> src/audio/raw.rs:18:15
Dec 19 22:07:43.785 INFO [stderr]    |
Dec 19 22:07:43.785 INFO [stderr] 18 |     fn create(path: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
Dec 19 22:07:43.785 INFO [stderr]    |               ^^^^ help: consider using `_path` instead
Dec 19 22:07:43.785 INFO [stderr] 
Dec 19 22:07:43.819 INFO [stderr] warning: struct is never constructed: `Encoder`
Dec 19 22:07:43.819 INFO [stderr]  --> src/audio/wav.rs:9:1
Dec 19 22:07:43.819 INFO [stderr]   |
Dec 19 22:07:43.819 INFO [stderr] 9 | pub struct Encoder {
Dec 19 22:07:43.819 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 19 22:07:43.819 INFO [stderr]   |
Dec 19 22:07:43.819 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 22:07:43.819 INFO [stderr] 
Dec 19 22:07:43.819 INFO [stderr] warning: method is never used: `open`
Dec 19 22:07:43.819 INFO [stderr]   --> src/audio/wav.rs:18:5
Dec 19 22:07:43.819 INFO [stderr]    |
Dec 19 22:07:43.819 INFO [stderr] 18 |     pub fn open(path: &Path, channels: u8, sample_rate: u32) -> Result<Box<audio::Encoder>, DecodeError> {
Dec 19 22:07:43.819 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:07:43.819 INFO [stderr] 
Dec 19 22:07:43.819 INFO [stderr] warning: struct is never constructed: `Decoder`
Dec 19 22:07:43.819 INFO [stderr]  --> src/audio/raw.rs:9:1
Dec 19 22:07:43.819 INFO [stderr]   |
Dec 19 22:07:43.819 INFO [stderr] 9 | struct Decoder {
Dec 19 22:07:43.819 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 19 22:07:43.819 INFO [stderr] 
Dec 19 22:07:43.819 INFO [stderr] warning: method is never used: `create`
Dec 19 22:07:43.819 INFO [stderr]   --> src/audio/raw.rs:18:5
Dec 19 22:07:43.819 INFO [stderr]    |
Dec 19 22:07:43.819 INFO [stderr] 18 |     fn create(path: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
Dec 19 22:07:43.819 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:07:43.819 INFO [stderr] 
Dec 19 22:07:43.819 INFO [stderr] warning: enum is never used: `Error`
Dec 19 22:07:43.819 INFO [stderr]  --> src/process.rs:9:1
Dec 19 22:07:43.819 INFO [stderr]   |
Dec 19 22:07:43.819 INFO [stderr] 9 | pub enum Error {
Dec 19 22:07:43.819 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 19 22:07:43.819 INFO [stderr] 
Dec 19 22:07:43.824 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 22:07:43.824 INFO [stderr]   --> src/audio/wav.rs:52:17
Dec 19 22:07:43.824 INFO [stderr]    |
Dec 19 22:07:43.824 INFO [stderr] 52 |                 self.encoder.write_sample((frame.data[j][i] * 32_767.0) as i16);
Dec 19 22:07:43.824 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:07:43.824 INFO [stderr]    |
Dec 19 22:07:43.824 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 22:07:43.824 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 22:07:43.824 INFO [stderr] 
Dec 19 22:07:43.824 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 22:07:43.824 INFO [stderr]   --> src/audio/raw.rs:62:13
Dec 19 22:07:43.824 INFO [stderr]    |
Dec 19 22:07:43.824 INFO [stderr] 62 |             write!(&mut self.writer, "{}\n", *sample);
Dec 19 22:07:43.824 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:07:43.824 INFO [stderr]    |
Dec 19 22:07:43.824 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 22:07:43.824 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 22:07:43.824 INFO [stderr] 
Dec 19 22:07:43.824 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 22:07:43.824 INFO [stderr]   --> src/main.rs:40:17
Dec 19 22:07:43.824 INFO [stderr]    |
Dec 19 22:07:43.824 INFO [stderr] 40 |                 image.save(Path::new(image_out));
Dec 19 22:07:43.824 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:07:43.824 INFO [stderr]    |
Dec 19 22:07:43.824 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 22:07:43.824 INFO [stderr] 
Dec 19 22:07:43.868 INFO [stderr] warning: unused variable: `rest`
Dec 19 22:07:43.868 INFO [stderr]   --> src/process.rs:15:20
Dec 19 22:07:43.868 INFO [stderr]    |
Dec 19 22:07:43.868 INFO [stderr] 15 |     let (mut data, rest) = get_samples(required_samples, 0, decoder);
Dec 19 22:07:43.868 INFO [stderr]    |                    ^^^^ help: consider using `_rest` instead
Dec 19 22:07:43.868 INFO [stderr]    |
Dec 19 22:07:43.868 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:07:43.868 INFO [stderr] 
Dec 19 22:07:43.868 INFO [stderr] warning: unused variable: `verbose`
Dec 19 22:07:43.868 INFO [stderr]   --> src/process.rs:13:110
Dec 19 22:07:43.868 INFO [stderr]    |
Dec 19 22:07:43.868 INFO [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
Dec 19 22:07:43.868 INFO [stderr]    |                                                                                                              ^^^^^^^ help: consider using `_verbose` instead
Dec 19 22:07:43.868 INFO [stderr] 
Dec 19 22:07:43.868 INFO [stderr] warning: unused variable: `strict`
Dec 19 22:07:43.868 INFO [stderr]   --> src/process.rs:13:125
Dec 19 22:07:43.868 INFO [stderr]    |
Dec 19 22:07:43.868 INFO [stderr] 13 | pub fn process_encoder(fft_engine: &Fft, image: &DynamicImage, decoder: &mut Decoder, encoder: &mut Encoder, verbose: bool, strict: bool) {
Dec 19 22:07:43.868 INFO [stderr]    |                                                                                                                             ^^^^^^ help: consider using `_strict` instead
Dec 19 22:07:43.868 INFO [stderr] 
Dec 19 22:07:43.868 INFO [stderr] warning: unused variable: `path`
Dec 19 22:07:43.868 INFO [stderr]   --> src/audio/raw.rs:18:15
Dec 19 22:07:43.868 INFO [stderr]    |
Dec 19 22:07:43.869 INFO [stderr] 18 |     fn create(path: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
Dec 19 22:07:43.869 INFO [stderr]    |               ^^^^ help: consider using `_path` instead
Dec 19 22:07:43.869 INFO [stderr] 
Dec 19 22:07:43.904 INFO [stderr] warning: struct is never constructed: `Encoder`
Dec 19 22:07:43.904 INFO [stderr]  --> src/audio/wav.rs:9:1
Dec 19 22:07:43.904 INFO [stderr]   |
Dec 19 22:07:43.904 INFO [stderr] 9 | pub struct Encoder {
Dec 19 22:07:43.904 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 19 22:07:43.904 INFO [stderr]   |
Dec 19 22:07:43.904 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 22:07:43.904 INFO [stderr] 
Dec 19 22:07:43.904 INFO [stderr] warning: method is never used: `open`
Dec 19 22:07:43.904 INFO [stderr]   --> src/audio/wav.rs:18:5
Dec 19 22:07:43.904 INFO [stderr]    |
Dec 19 22:07:43.904 INFO [stderr] 18 |     pub fn open(path: &Path, channels: u8, sample_rate: u32) -> Result<Box<audio::Encoder>, DecodeError> {
Dec 19 22:07:43.904 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:07:43.904 INFO [stderr] 
Dec 19 22:07:43.904 INFO [stderr] warning: struct is never constructed: `Decoder`
Dec 19 22:07:43.904 INFO [stderr]  --> src/audio/raw.rs:9:1
Dec 19 22:07:43.905 INFO [stderr]   |
Dec 19 22:07:43.905 INFO [stderr] 9 | struct Decoder {
Dec 19 22:07:43.905 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 19 22:07:43.905 INFO [stderr] 
Dec 19 22:07:43.905 INFO [stderr] warning: method is never used: `create`
Dec 19 22:07:43.905 INFO [stderr]   --> src/audio/raw.rs:18:5
Dec 19 22:07:43.905 INFO [stderr]    |
Dec 19 22:07:43.905 INFO [stderr] 18 |     fn create(path: &Path) -> Result<Box<audio::Decoder>, DecodeError> {
Dec 19 22:07:43.905 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:07:43.905 INFO [stderr] 
Dec 19 22:07:43.905 INFO [stderr] warning: enum is never used: `Error`
Dec 19 22:07:43.905 INFO [stderr]  --> src/process.rs:9:1
Dec 19 22:07:43.905 INFO [stderr]   |
Dec 19 22:07:43.905 INFO [stderr] 9 | pub enum Error {
Dec 19 22:07:43.905 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 19 22:07:43.905 INFO [stderr] 
Dec 19 22:07:43.905 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 22:07:43.905 INFO [stderr]   --> src/audio/wav.rs:52:17
Dec 19 22:07:43.905 INFO [stderr]    |
Dec 19 22:07:43.905 INFO [stderr] 52 |                 self.encoder.write_sample((frame.data[j][i] * 32_767.0) as i16);
Dec 19 22:07:43.905 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:07:43.905 INFO [stderr]    |
Dec 19 22:07:43.905 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 22:07:43.905 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 22:07:43.905 INFO [stderr] 
Dec 19 22:07:43.905 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 22:07:43.905 INFO [stderr]   --> src/audio/raw.rs:62:13
Dec 19 22:07:43.905 INFO [stderr]    |
Dec 19 22:07:43.905 INFO [stderr] 62 |             write!(&mut self.writer, "{}\n", *sample);
Dec 19 22:07:43.905 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:07:43.905 INFO [stderr]    |
Dec 19 22:07:43.905 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 22:07:43.905 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 22:07:43.905 INFO [stderr] 
Dec 19 22:07:43.908 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 22:07:43.908 INFO [stderr]   --> src/main.rs:40:17
Dec 19 22:07:43.908 INFO [stderr]    |
Dec 19 22:07:43.908 INFO [stderr] 40 |                 image.save(Path::new(image_out));
Dec 19 22:07:43.908 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:07:43.908 INFO [stderr]    |
Dec 19 22:07:43.908 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 22:07:43.908 INFO [stderr] 
Dec 19 22:07:43.962 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.15s
Dec 19 22:07:44.852 INFO running `"docker" "inspect" "a2750969550a9003d7cd686b5d364490deae317665e5a47b11560bc16a86ba38"`
Dec 19 22:07:45.122 INFO running `"docker" "rm" "-f" "a2750969550a9003d7cd686b5d364490deae317665e5a47b11560bc16a86ba38"`
Dec 19 22:07:45.360 INFO [stdout] a2750969550a9003d7cd686b5d364490deae317665e5a47b11560bc16a86ba38